<template>
  <div class="recommend" ref="recommend">
    <scroll  ref="scroll" class="recommend-content" :data="discList">
        <div>
            <div v-if="recommends.length" class="slider-wrapper">
                <slider>
                    <div v-for="item in recommends" :key="item.id">
                        <a :href="item.linkUrl">
                            <img class="needsclick" :src="item.picUrl" alt="" @load="loadImage">
                        </a>
                    </div>
                </slider>
            </div>
            <div class="recommend-list">
                <h1 class="list-title">热门歌单推荐</h1>
                <ul>
                    <li v-for="item in discList" :key="item.id" class="item" @click="selectItem(item)">
                        <div class="icon">
                            <img v-lazy="item.imgurl" alt="" width="60" height="60">
                        </div>
                        <div class="text">
                            <h2 class="name" v-html="item.dissname"></h2>
                            <p class="desc" v-html="item.creator.name"></p>
                            <p class="desc" v-html="'播放量:'+item.listennum"></p>
                        </div>
                    </li>
                </ul>
            </div>
        </div>
        <div class="loading-container" v-show="!discList.length">
            <loading></loading>
        </div>
    </scroll>
    <router-view></router-view>
  </div>
</template>

<script type="text/ecmascript-6">
import Loading from 'base/loading/loading'
import Slider from 'base/slider/slider'
import Scroll from 'base/scroll/scroll'
import { getRecommend, getDiscList } from 'api/recommend'
import { ERR_OK } from 'api/config'
import {playlistMixin} from 'common/js/mixin'
import {mapMutations} from 'vuex'
export default {
  mixins: [playlistMixin],
  data() {
    return {
      recommends: [],
      discList: []
    }
  },
  created() {
    this._getRecommend()
    this._getDiscList()
  },
  methods: {
    handlePlaylist(playlist) {
      const bottom = playlist.length > 0 ? '60px' : ''
      this.$refs.recommend.style.bottom = bottom // 底部播放器适配
      this.$refs.scroll.refresh() // 强制scroll重新计算
    },
    selectItem(item) {
      this.$router.push({
        path: `/recommend/${item.dissid}`
      })
      this.setDisc(item)
    },
    _getRecommend() {
      getRecommend().then(res => {
        if (res.code === ERR_OK) {
        //   console.log(res.data.slider)
          this.recommends = res.data.slider
        }
      })
    },
    _getDiscList() {
      getDiscList().then(res => {
        if (res.code === ERR_OK) {
        //   console.log(res.data.list)
          this.discList = res.data.list
        }
      })
    },
    loadImage() {
      if (!this.checkloaded) {
        this.checkloaded = true
        this.$refs.scroll.refresh()
      }
    },
    ...mapMutations({
      setDisc: 'SET_DISC'
    })
  },
  components: {
    Slider,
    Scroll,
    Loading
  }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
@import '~common/stylus/variable';

.recommend {
    position: fixed;
    width: 100%;
    top: 88px;
    bottom: 0;

    .recommend-content {
        height: 100%;
        overflow: hidden;

        .slider-wrapper {
            position: relative;
            width: 100%;
            overflow: hidden;
        }

        .recommend-list {
            .list-title {
                height: 65px;
                line-height: 65px;
                text-align: center;
                font-size: $font-size-medium;
                color: $color-theme;
            }

            .item {
                display: flex;
                box-sizing: border-box;
                align-items: center;
                padding: 0 20px 20px 20px;

                .icon {
                    flex: 0 0 60px;
                    width: 60px;
                    padding-right: 20px;
                }

                .text {
                    display: flex;
                    flex-direction: column;
                    justify-content: center;
                    flex: 1;
                    line-height: 20px;
                    overflow: hidden;
                    font-size: $font-size-medium;

                    .name {
                        margin-bottom: 10px;
                        color: $color-text;
                    }

                    .desc {
                        color: $color-text-d;
                    }
                }
            }
        }

        .loading-container {
            position: absolute;
            width: 100%;
            top: 50%;
            transform: translateY(-50%);
        }
    }
}
</style>